CVE-2026-1686 HIGH

CVE-2026-1686: Totolink A3600R app.so setAppEasyWizardConfig buffer overflow

Vendor Totolink
Product A3600R
Weakness CWE-120
Published January 30, 2026
Last update February 23, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A security flaw has been discovered in Totolink A3600R 5.9c.4959. This issue affects the function setAppEasyWizardConfig in the library /lib/cste_modules/app.so. Performing a manipulation of the argument apcliSsid results in buffer overflow. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks.

Key dates

02Disclosure timeline

January 30, 2026 CVE published
February 23, 2026 Record updated